Washington Redskins quarterback Robert Griffin III greets fans as he comes off the field prior to the Redskins pre-season game against the Pittsburgh Steelers, at FedEx Field in Landover, Maryland on August 19, 2013. UPI/Kevin Dietsch
Washington Redskins wide receiver Pierre Garcon waits on the field as smoke clears prior to the Redskins game against the Pittsburgh Steelers, at FedEx Field in Landover, Maryland on August 19, 2013. UPI/Kevin Dietsch
Dallas Cowboys fans wear horse masks during the Cowboys- Arizona Cardinals preseason game at University of Phoenix Stadium in Glendale, Arizona on August 17, 2013. The Cardinals defeated the Cowboys 12-7. UPI/Art Foxall
Atlanta Falcons wide receiver Julio Jones brings in an 8-yard touchdown reception against the Baltimore Ravens during the first quarter at M&T Bank Stadium on August 15, 2013 in Baltimore, Maryland. UPI/Kevin Dietsch
Pittsburgh Steelers defensive end Brett Keisel (99) walks the sidelines before the start of the preseason game with the New York Giants at Heinz Field in Pittsburgh on August 10, 2013. UPI/Archie Carpenter
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